
.sm-tool-btn {
  width: 40px;
  height: 40px;
  box-sizing: border-box;
  background: transparent;
  z-index: 100;
  display: flex;
  background-color: rgba(0, 0, 0, .25);
  justify-content: center;
  align-items: center;
  @media (max-width: 750px) {
    width: 35px;
    height: 35px;
  }

  @media (max-height: 480px) {
    width: 35px;
    height: 35px;
  }
  @media (max-height: 300px) {
    width: 30px;
    height: 30px;
  }
  .iconfont{
      font-size: 18px;
  }
}

.toolBar{
    width: auto;
    display: flex;
    flex-wrap: nowrap;
    justify-content:flex-start;
    // background-color: red;
    position: absolute;
    top: 0;
    left: 0;
    margin: 5px 0 0 5px;
}
ul{
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-evenly;
}














